Chin Sam
Verified against CSLB on · View on CSLB
License details
- License number
- 857303
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- April 13, 2005 – April 30, 2027
Business
- (408) 921 0606 (CSLB public record)
- 21700 PHEASANT WOODS DRIVE, Castro Valley, CA 94552Alameda County
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Frequently asked questions
Is Chin Sam licensed in California?
Yes. Chin Sam holds an active California state contractor license (CSLB #857303), verified against the CSLB public record on June 17, 2026.
What is Chin Sam's CSLB license number?
Chin Sam's California contractor license number is 857303. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=857303
What kind of work is Chin Sam licensed for?
Chin Sam is classified under General Building (B) by the CSLB.
How do I verify Chin Sam's license myself?
Look up license #857303 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=857303. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.